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Feinwerkbau Model 65

Feinwerkbau Model 65

Sight Adjustments

If shots are high turn towards H (clockwise).

If shots are to the right turn towards R (clockwise).

1 click = 1.5mm @ 10m.

Rear sight gap is adjustable by winding the spindle in front of the rear sight blade.

Trigger Adjustments

Note: Before making adjustments the sliding part of the action should be in the forward position.

Sear Engagement

Model 65 trigger adjustments

The screw for this is situated behind the trigger (#2). Turning to the left gives a crisp letoff, while turning clockwise gives a rolling release.

Trigger Weight

Turn screw in front of trigger guard (#3) clockwise to increase weight.

Trigger Stop

This is situated directly behind the trigger (#1).

Center Fire Trigger Weight Adjustment

Insert the special wrench and push forward towards the muzzle until the marking 1.36 becomes visible.

Simulated Recoil

If recoil is required for practice (for center fire events) the slide can be locked in place by attaching metal plate with screw, both provided with the pistol.


FWB Disassembly #1 As the manual states: "Never forget. A spring-operated air pistol is always under internal pressure. When cocked it amounts to more than 40kg (88lb)! A complete dismantling job should be done only by an expert."
Discharge pistol. Detach stock pieces. Loosen both cross-slot screws on the front bottom surface and the two hexagonal-socket head screws (3mm) under the stock. Remove sledge from the grip frame.
FWB 65 Disassembly #2 Remove clamping bracket by loosening screw (1). (This screw is caulked to prevent unintentional loosening, and must be recaulked for assembly.) Remove lockwashers (2) with spacer rings and also rear guide shaft (3). Loosen screw (4), press end piece (5) forward with a forked piece of wood in order to protect the sight and completely pull out screw (4).
Careful with the spring! The spring is now pressing the end piece with the sight torard the rear. Piston, spring and end piece (5) can be removed. (The cylinder can be taken out only after loosening of the two rear assembly pins and removal of the parts assembled on them.)
This is made in reverse sequence of operations. Be sure to get the spacer rings with the lockwashers back into their former position. Above all, piston and cylinder must not be greased. They are to be lightly coated with a permanent lubricant containing molycote.

Short FWB Model 65

Factory adjustingTesting for accuracy in the factory

Exploded View
Factory Manual